diff options
Diffstat (limited to 'libxcb/src/xcbint.h')
-rw-r--r-- | libxcb/src/xcbint.h | 418 |
1 files changed, 208 insertions, 210 deletions
diff --git a/libxcb/src/xcbint.h b/libxcb/src/xcbint.h index d1f742104..096576c4a 100644 --- a/libxcb/src/xcbint.h +++ b/libxcb/src/xcbint.h @@ -1,210 +1,208 @@ -/*
- * Copyright (C) 2001-2004 Bart Massey and Jamey Sharp.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- * Except as contained in this notice, the names of the authors or their
- * institutions shall not be used in advertising or otherwise to promote the
- * sale, use or other dealings in this Software without prior written
- * authorization from the authors.
- */
-
-#ifndef __XCBINT_H
-#define __XCBINT_H
-
-#include "bigreq.h"
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#ifdef GCC_HAS_VISIBILITY
-#pragma GCC visibility push(hidden)
-#endif
-
-enum workarounds {
- WORKAROUND_NONE,
- WORKAROUND_GLX_GET_FB_CONFIGS_BUG,
- WORKAROUND_EXTERNAL_SOCKET_OWNER
-};
-
-enum lazy_reply_tag
-{
- LAZY_NONE = 0,
- LAZY_COOKIE,
- LAZY_FORCED
-};
-
-#define XCB_PAD(i) (-(i) & 3)
-
-#define XCB_SEQUENCE_COMPARE(a,op,b) ((int64_t) ((a) - (b)) op 0)
-
-#ifndef offsetof
-#define offsetof(type,member) ((size_t) &((type *)0)->member)
-#endif
-
-#ifndef MIN
-#define MIN(x,y) ((x) < (y) ? (x) : (y))
-#endif
-
-#define container_of(pointer,type,member) ((type *)(((char *)(pointer)) - offsetof(type, member)))
-
-/* xcb_list.c */
-
-typedef void (*xcb_list_free_func_t)(void *);
-
-typedef struct _xcb_map _xcb_map;
-
-_xcb_map *_xcb_map_new(void);
-void _xcb_map_delete(_xcb_map *q, xcb_list_free_func_t do_free);
-int _xcb_map_put(_xcb_map *q, unsigned int key, void *data);
-void *_xcb_map_remove(_xcb_map *q, unsigned int key);
-
-
-/* xcb_out.c */
-
-typedef struct _xcb_out {
- pthread_cond_t cond;
- int writing;
-
- pthread_cond_t socket_cond;
- void (*return_socket)(void *closure);
- void *socket_closure;
- int socket_moving;
-
- char queue[XCB_QUEUE_BUFFER_SIZE];
- int queue_len;
-
- uint64_t request;
- uint64_t request_written;
-
- pthread_mutex_t reqlenlock;
- enum lazy_reply_tag maximum_request_length_tag;
- union {
- xcb_big_requests_enable_cookie_t cookie;
- uint32_t value;
- } maximum_request_length;
-} _xcb_out;
-
-int _xcb_out_init(_xcb_out *out);
-void _xcb_out_destroy(_xcb_out *out);
-
-int _xcb_out_send(xcb_connection_t *c, struct iovec *vector, int count);
-void _xcb_out_send_sync(xcb_connection_t *c);
-int _xcb_out_flush_to(xcb_connection_t *c, uint64_t request);
-
-
-/* xcb_in.c */
-
-typedef struct _xcb_in {
- pthread_cond_t event_cond;
- int reading;
-
- char queue[4096];
- int queue_len;
-
- uint64_t request_expected;
- uint64_t request_read;
- uint64_t event_responses_completed;
- uint64_t request_completed;
- struct reply_list *current_reply;
- struct reply_list **current_reply_tail;
-
- _xcb_map *replies;
- struct event_list *events;
- struct event_list **events_tail;
- struct reader_list *readers;
- struct reader_list *event_readers;
-
- struct pending_reply *pending_replies;
- struct pending_reply **pending_replies_tail;
-} _xcb_in;
-
-int _xcb_in_init(_xcb_in *in);
-void _xcb_in_destroy(_xcb_in *in);
-
-void _xcb_in_wake_up_next_reader(xcb_connection_t *c);
-
-int _xcb_in_expect_reply(xcb_connection_t *c, uint64_t request, enum workarounds workaround, int flags);
-void _xcb_in_replies_done(xcb_connection_t *c);
-
-int _xcb_in_read(xcb_connection_t *c);
-int _xcb_in_read_block(xcb_connection_t *c, void *buf, int nread);
-
-
-/* xcb_xid.c */
-
-typedef struct _xcb_xid {
- pthread_mutex_t lock;
- uint32_t last;
- uint32_t base;
- uint32_t max;
- uint32_t inc;
-} _xcb_xid;
-
-int _xcb_xid_init(xcb_connection_t *c);
-void _xcb_xid_destroy(xcb_connection_t *c);
-
-
-/* xcb_ext.c */
-
-typedef struct _xcb_ext {
- pthread_mutex_t lock;
- struct lazyreply *extensions;
- int extensions_size;
-} _xcb_ext;
-
-int _xcb_ext_init(xcb_connection_t *c);
-void _xcb_ext_destroy(xcb_connection_t *c);
-
-
-/* xcb_conn.c */
-
-extern const int error_connection;
-
-struct xcb_connection_t {
- int has_error;
-
- /* constant data */
- xcb_setup_t *setup;
- int fd;
-
- /* I/O data */
- pthread_mutex_t iolock;
- _xcb_in in;
- _xcb_out out;
-
- /* misc data */
- _xcb_ext ext;
- _xcb_xid xid;
-};
-
-void _xcb_conn_shutdown(xcb_connection_t *c);
-int _xcb_conn_wait(xcb_connection_t *c, pthread_cond_t *cond, struct iovec **vector, int *count);
-
-
-/* xcb_auth.c */
-
-int _xcb_get_auth_info(int fd, xcb_auth_info_t *info, int display);
-
-#ifdef GCC_HAS_VISIBILITY
-#pragma GCC visibility pop
-#endif
-
-#endif
+/* + * Copyright (C) 2001-2004 Bart Massey and Jamey Sharp. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * Except as contained in this notice, the names of the authors or their + * institutions shall not be used in advertising or otherwise to promote the + * sale, use or other dealings in this Software without prior written + * authorization from the authors. + */ + +#ifndef __XCBINT_H +#define __XCBINT_H + +#include "bigreq.h" + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#ifdef GCC_HAS_VISIBILITY +#pragma GCC visibility push(hidden) +#endif + +enum workarounds { + WORKAROUND_NONE, + WORKAROUND_GLX_GET_FB_CONFIGS_BUG, + WORKAROUND_EXTERNAL_SOCKET_OWNER +}; + +enum lazy_reply_tag +{ + LAZY_NONE = 0, + LAZY_COOKIE, + LAZY_FORCED +}; + +#define XCB_PAD(i) (-(i) & 3) + +#define XCB_SEQUENCE_COMPARE(a,op,b) ((int64_t) ((a) - (b)) op 0) + +#ifndef offsetof +#define offsetof(type,member) ((size_t) &((type *)0)->member) +#endif + +#ifndef MIN +#define MIN(x,y) ((x) < (y) ? (x) : (y)) +#endif + +#define container_of(pointer,type,member) ((type *)(((char *)(pointer)) - offsetof(type, member))) + +/* xcb_list.c */ + +typedef void (*xcb_list_free_func_t)(void *); + +typedef struct _xcb_map _xcb_map; + +_xcb_map *_xcb_map_new(void); +void _xcb_map_delete(_xcb_map *q, xcb_list_free_func_t do_free); +int _xcb_map_put(_xcb_map *q, unsigned int key, void *data); +void *_xcb_map_remove(_xcb_map *q, unsigned int key); + + +/* xcb_out.c */ + +typedef struct _xcb_out { + pthread_cond_t cond; + int writing; + + pthread_cond_t socket_cond; + void (*return_socket)(void *closure); + void *socket_closure; + int socket_moving; + + char queue[XCB_QUEUE_BUFFER_SIZE]; + int queue_len; + + uint64_t request; + uint64_t request_written; + + pthread_mutex_t reqlenlock; + enum lazy_reply_tag maximum_request_length_tag; + union { + xcb_big_requests_enable_cookie_t cookie; + uint32_t value; + } maximum_request_length; +} _xcb_out; + +int _xcb_out_init(_xcb_out *out); +void _xcb_out_destroy(_xcb_out *out); + +int _xcb_out_send(xcb_connection_t *c, struct iovec *vector, int count); +void _xcb_out_send_sync(xcb_connection_t *c); +int _xcb_out_flush_to(xcb_connection_t *c, uint64_t request); + + +/* xcb_in.c */ + +typedef struct _xcb_in { + pthread_cond_t event_cond; + int reading; + + char queue[4096]; + int queue_len; + + uint64_t request_expected; + uint64_t request_read; + uint64_t request_completed; + struct reply_list *current_reply; + struct reply_list **current_reply_tail; + + _xcb_map *replies; + struct event_list *events; + struct event_list **events_tail; + struct reader_list *readers; + + struct pending_reply *pending_replies; + struct pending_reply **pending_replies_tail; +} _xcb_in; + +int _xcb_in_init(_xcb_in *in); +void _xcb_in_destroy(_xcb_in *in); + +void _xcb_in_wake_up_next_reader(xcb_connection_t *c); + +int _xcb_in_expect_reply(xcb_connection_t *c, uint64_t request, enum workarounds workaround, int flags); +void _xcb_in_replies_done(xcb_connection_t *c); + +int _xcb_in_read(xcb_connection_t *c); +int _xcb_in_read_block(xcb_connection_t *c, void *buf, int nread); + + +/* xcb_xid.c */ + +typedef struct _xcb_xid { + pthread_mutex_t lock; + uint32_t last; + uint32_t base; + uint32_t max; + uint32_t inc; +} _xcb_xid; + +int _xcb_xid_init(xcb_connection_t *c); +void _xcb_xid_destroy(xcb_connection_t *c); + + +/* xcb_ext.c */ + +typedef struct _xcb_ext { + pthread_mutex_t lock; + struct lazyreply *extensions; + int extensions_size; +} _xcb_ext; + +int _xcb_ext_init(xcb_connection_t *c); +void _xcb_ext_destroy(xcb_connection_t *c); + + +/* xcb_conn.c */ + +extern const int error_connection; + +struct xcb_connection_t { + int has_error; + + /* constant data */ + xcb_setup_t *setup; + int fd; + + /* I/O data */ + pthread_mutex_t iolock; + _xcb_in in; + _xcb_out out; + + /* misc data */ + _xcb_ext ext; + _xcb_xid xid; +}; + +void _xcb_conn_shutdown(xcb_connection_t *c); +int _xcb_conn_wait(xcb_connection_t *c, pthread_cond_t *cond, struct iovec **vector, int *count); + + +/* xcb_auth.c */ + +int _xcb_get_auth_info(int fd, xcb_auth_info_t *info, int display); + +#ifdef GCC_HAS_VISIBILITY +#pragma GCC visibility pop +#endif + +#endif |